1244149 has 2 divisors, whose sum is σ = 1244150. Its totient is φ = 1244148.

The previous prime is 1244143. The next prime is 1244153. The reversal of 1244149 is 9414421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 651249 + 592900 = 807^2 + 770^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244149 - 2³ = 1244141 is a prime.

1244149 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622074 + 622075.

It is an arithmetic number, because the mean of its divisors is an integer number (622075).

2^1244149 is an apocalyptic number.

It is an amenable number.

1244149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244149 is an equidigital number, since it uses as much as digits as its factorization.

1244149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 25.

The square root of 1244149 is about 1115.4142728153. The cubic root of 1244149 is about 107.5533969447.

The spelling of 1244149 in words is "one million, two hundred forty-four thousand, one hundred forty-nine".